Home / 39,901.16-55,005.54-27,928.04

Finding the Fourth Proportional to 39,901.16, 55,005.54 and 27,928.04

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Solution

The fourth proportional to 39,901.16, 55,005.54 and 27,928.04 is: 38,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.16 : 55,005.54 = 27,928.04 : x
  2. Step 2: Convert to fraction form
    39,901.16/55,005.54 = 27,928.04/x
  3. Step 3: Cross multiply
    39,901.16x = 55,005.54 × 27,928.04
  4. Step 4: Simplify right side
    39,901.16x = 1,536,196,921.34
  5. Step 5: Solve for x
    x = 1,536,196,921.34/39,901.16
  6. Step 6: Final answer
    x = 38,500.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.